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Question 16 - D-PWF-DS-23 discussion

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A customer has ordered five servers with NVDlMMs Each server has 5 x 3 84 TB SAS and 5 x 3 84 T8 NVMe disks They want to ensure that the highest capacity ot storage is available to the system Which design provides the required storage pool structure''

A.
One Storage Pool and one Acceleration Pool
Answers
A.
One Storage Pool and one Acceleration Pool
B.
One Acceleration Pool only
Answers
B.
One Acceleration Pool only
C.
One Storage Pool only
Answers
C.
One Storage Pool only
D.
One Acceleration Pool and two Storage Pools
Answers
D.
One Acceleration Pool and two Storage Pools
Suggested answer: A

Explanation:

To maximize the storage capacity available to the system while utilizing NVDIMMs, SAS, and NVMe disks, the design should include both a Storage Pool and an Acceleration Pool. The Storage Pool will be used for the bulk storage provided by the SAS disks, while the Acceleration Pool, leveraging the high-speed NVMe disks, will be used to accelerate the performance of the storage system.

The use of NVDIMMs in PowerFlex is associated with enabling fine-granularity storage pools that provide compression, which is beneficial for space efficiency, especially with heavy snapshot use1. This configuration allows for the creation of a storage pool that can take advantage of the NVDIMMs' capabilities for compression and the high capacity of the SAS disks, while the NVMe disks in the Acceleration Pool provide high-performance storage for more demanding workloads.

Therefore, the correct answer is A. One Storage Pool and one Acceleration Pool, as this design will provide the highest capacity of storage available to the system while also ensuring optimal performance through the use of NVMe disks in the Acceleration Pool.

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asked 16/09/2024
Alex Ng
41 questions
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